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ATP Turbo.

ATP has taken their revolutionary bolt on Subaru turbochargers to the next level by offering a direct fitment external wastegate. The exhaust housing is cast with a flange designed for a Tial 44mm wastegate, while the internal wastagate is eliminated permanently. This setup allows you perfect boost control, and will prevent any boost spiking issues commonly associated with a smaller internal wastegate.

ATP has taken their revolutionary bolt on Subaru turbochargers to the next level by offering a direct fitment external wastegate. The exhaust housing is cast with a flange designed for a Tial 44mm wastegate, while the internal wastagate is eliminated permanently. This setup allows you perfect boost control, and will prevent any boost spiking issues commonly associated with a smaller internal wastegate.

If you are looking for big power and fast spool - this is the one. This turbo can support 600+ horsepower on the 2.5L. (approximately 450whp on a 2.5L) Stepping up to this turbo puts you in a class above the rest. You will have slightly slower spool than the GT3076, but massive power up top. We do not recommend this turbo for 2.0L cars, unless they are full-race, built-block applications with head work.

If you are looking for big power and fast spool - this is the one. This turbo can support 600+ horsepower on the 2.5L. (approximately 450whp on a 2.5L) Stepping up to this turbo puts you in a class above the rest. You will have slightly slower spool than the GT3076, but massive power up top. We do not recommend this turbo for 2.0L cars, unless they are full-race, built-block applications with head work.

The Garrett GT Ball Bearing GT3076R, the benchmark 500+ HP capable dual ball bearing turbo, is now available in a drop-in package for the Subaru WRX/STI! The easy to implement turbo assembly that takes no more than 1-2 hours to install in place of the stock journal bearing VFXX unit is made possible by a high flowing GT inspired ATP exhaust housing and a series of custom engineered components built to suit the installation.

The Garrett GT Ball Bearing GT3076R, the benchmark 500+ HP capable dual ball bearing turbo, is now available in a drop-in package for the Subaru WRX/STI! The easy to implement turbo assembly that takes no more than 1-2 hours to install in place of the stock journal bearing VFXX unit is made possible by a high flowing GT inspired ATP exhaust housing and a series of custom engineered components built to suit the installation.